Engine And Engine Cooling Problems of Toyota Tundra - part 2

I have had an issue several times which nearly resulted in a traffic accident. The truck has a sudden loss of acceleration where the gas pedal is completely dead. It last a few seconds and then goes back to normal. This has nearly caused several accidents where I could not properly accelerate while traffic was heading in my direction. After talking with other Tundra owners, I am not the only one with this issue. This needs immediate attention. If it is not fixed as soon as possible, I fear that someone will get seriously injured or killed. Please take this matter seriously. I suspect it may have something to do with the pre collision sensor system on the truck. It seems that it happens when there is a slight grade or dip in the road. Perhaps the sensors are at a lower angle due to the dip, making it think there is an object it will hit. The Toyota service centers don’t appear to know why this is happening and cannot reproduce the issue in a short visit.

See all problems of the 2024 Toyota Tundra 🔎.

The contact owns a 2024 Toyota Tundra. The contact received notifications of NHTSA campaign numbers: 25v322000 (exterior lighting) and 25v767000 (engine and engine cooling); however, the parts to do the recall repairs were not yet available. The contact stated that intermittently, the engine was running rough. Additionally, the contact stated that the vehicle failed to start occasionally. The contact was able to start the vehicle after several attempts. There was no warning light illuminated. The vehicle was taken to the dealer, but the vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure, but no assistance was provided. The failure mileage was approximately 30,000.

I get random lags in thorttle engagement when starting from complete or rolling stops. When this happens, it behaves like there is a delay between the throttle input and the engine resoponse. Push the throttle to go, and no go, and after a delay of usually part of a second, then it jerks and goes. Most times there is no problem and the throttle responds correctly, but this issue occurs randomly almost every time I drive.

See all problems of the 2023 Toyota Tundra 🔎.

The accelerator pedal is unresponsive at times when attempting to accelerate from a complete stop, or a rolling stop, while traveling below 5 mph. This presents itself as a "dead pedal" type situation where no matter the accelerator angle given by the driver, zero power output at the engine is given. This can be logged via electronic data logger, and clearly the throttle angle does not change when this scenario presents itself. This can present a serious safety concern as the truck becomes a sitting duck, creeping out into a intersection with no more than idle power.

See all problems of the 2022 Toyota Tundra 🔎.

This has been an ongoing issue since the vehicle was new. When accelerating from a stop, when I push the gas pedal, there is a hesitation. There is no throttle response that can last up to 2 or 3 seconds which is dangerous. There have been times that I have tried to pull into traffic from a parking lot and the truck will not accelerate then jerks when it finally responds. This happens daily.

Throttle lagging issues and delayed acceleration.

This has happened to me at least 6-7 times since owning as Jan 2024. Occasionally when stopped at stopped sign or red light, upon releasing brake and pressing gas pedal the engine will stall or stutter causing the vehicle to either hesitate to go and then launch or hesitate and not do anything. This is an issue as it has happened to me when trying to cross a divided highway and it stalling as I'm partially out in the middle of the road.

While at a four-way intersection, I went to press the throttle, and there was a very significant lag in acceleration, almost causing an accident.

See attached document for complaint.

Vehicle hesitates and starts to lose power and stall while driving. Toyota will not take action even though a recall has been issued and a letter in hand.

As I was drive home at 45 mph the vehicle started surging and then the engine started knocking. Then I stopped the vehicle and called Toyota for a tow. The truck was towed to the local dealer (sheehy Toyota) for inspection. Upon inspection the motor has a bad knocking in the lower end of the engine. The truck is now in the shop getting the engine disassembled. Believed to be a main bearing failure. The truck has 9,229 miles on it. Light use and had the oil changed 500 miles prior by the dealer.

The contact owns a 2023 Toyota Tundra. The contact received notifications of NHTSA campaign numbers: 25v657000 (back over prevention), 25v322000 (exterior lighting), and 25v767000 (engine and engine cooling); however, parts to do the recall repairs were unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repairs. The contact stated that while driving 55 mph in stop-and-go traffic, the engine failed to operate as needed, and the contact was able to coast into a nearby parking lot, where the vehicle became immobile. There were no warning lights illuminated. The vehicle was towed to the dealer, but was not diagnosed. The vehicle was not repaired. The manufacturer was informed of the failure and confirmed and not received a report from the dealer. A case was opened with the manufacturer. The failure mileage was 34,736.

I am writing to formally file a complaint regarding my 2024 Toyota Tundra, which I purchased approximately five months ago. On two separate occasions while driving, the vehicle unexpectedly lost power. The first incident occurred while I was driving on the highway, which was extremely concerning from a safety standpoint. The second incident happened after I came to a complete stop and attempted to make a turn; the vehicle did not respond and had no power. In both situations, the power returned on its own moments later. These incidents raise serious safety concerns, especially given that the vehicle is relatively new. I am requesting a thorough inspection of the vehicle to identify the cause of this issue and ensure that it is resolved permanently. I would also like this concern documented in the vehicle’s service history. Vehicle information: VIN: [xxx] please advise on the next steps to address this matter promptly. Thank you for your attention to this issue. I look forward to your response information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

The motor blew up. This is the second motor. Toyota hasn't approved a new motor even though their recall says I need one.

While driving I noticed a slight knock, about 10 miles further down the road the dash said engine has stopped pull over. No check engine or other lights were illuminated before or after this. The truck had a terrible noise when I tried to restart it, but it would not turn back on.

Throttle lag/hesitation. When pressing the gas pedal from a stop nothing happens for more than 5 seconds or longer. There is significant lag before the vehicle will accelerate.

The contact owns a 2022 Toyota Tundra. The contact stated that while her partner was driving approximately 45 mph, the vehicle stalled. The driver was able to pull over; however, several attempts were needed to restart the vehicle. The contact stated that the failure occurred while driving at various speeds, and that recently, when the vehicle was restarted after stalling, there was an abnormal knocking sound coming from the engine compartment. There was no warning light illuminated during the failures. The local dealer was contacted but the contact was informed that the dealer could not diagnose the vehicle until July 2026. The vehicle was not repaired. The contact was aware that the VIN was included in NHTSA campaign number: 24v381000 (engine and engine cooling). The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not informed of the failure. The failure mileage was approximately 34,000.

Extreme throttle hesitation, and lag at low speeds. Causes a safety risk when in traffic or starting to stop situations due to the delay between when the driver presses the throttle pedal and when the vehicle moves. Often times the vehicle lunges aggressively. It happens every time you drive it.

Engine hesitation from a stop. Engine takes 1-2 seconds to respond to throttle pedal input. Creates timing safety hazard when attempting to cross oncoming lane to enter roadway. Puts vehicle at risk of not clearing the oncoming lane in time to avoid collision. Intermittent and haven’t been able to reproduce with dealer.

I am reporting a latent manufacturing defect in my 2024 Toyota Tundra I-force max (hybrid). This vehicle is equipped with the v35a-fts engine, which has been officially recalled in non-hybrid Tundra models (NHTSA recall 25v767) due to internal machining debris that causes catastrophic engine failure. Current situation: although my vehicle has not yet experienced a total engine seizure, it contains the exact same engine architecture and manufacturing origin as the recalled units. I am filing this complaint because Toyota has excluded the hybrid models from the safety recall, citing that the electric motor acts as a safety backup. Safety concern: my safety and the safety of my passengers are at risk because this "safety backup" claim is unproven and potentially false. Data from other owners suggests that a catastrophic v35a engine failure triggers a system-wide "hybrid system malfunction," which can disable all motive power, power steering, and braking assist. Driving a vehicle with a known "ticking time bomb" defect—where the engine could seize at highway speeds—creates a high-risk environment for a high-speed collision. Request for action: I am urging the NHTSA to investigate the I-force max hybrid models and compel Toyota to expand recall 25v767 to include all v35a-equipped hybrid vehicles. The exclusion of the hybrid model is a bypass of safety protocols that leaves owners like myself driving a vehicle with a documented manufacturing flaw that the manufacturer has already admitted requires a full engine replacement in other configurations. Inspection: the vehicle is available for inspection; however, the defect is internal and was caused during the manufacturing process, making it invisible to standard dealer inspections until the point of failure.

The motors oil pressure is low. If something goes while I'm driving it can be dangerous to others and myself. It has not been confirmed with mine, but it has been a known issue with this year of the Tundra's and has a recall for some of them but not all. Hasn't been inspected by others and no lights have came on yet but running really low pressure.

I have a 2023 I-force max hybrid and I’m concerned about the non hybrid model engine shares the same engine characteristics and parts use for the I-force max hybrid engine. I want to be on record if I have an engine failure due to debris in Toyota engine manufacturing process for my vehicle. Troy musgrove 4009 robin st bay st louis, ms 39520.

In certain situations when stopping briefly and then accelerating the pedal is dead. For a short amount of time the accelerator does not work and then it launches the truck forward aggressively. There has been a few instances when I am turning left and the truck does not move and I am stuck in the middle of oncoming traffic before the truck suddenly lurches forward.

While driving today the engine check light turned on, and the engine turned off (stalled) while in the middle of the road with a good amount of traffic around me. I pulled off to the side of the road and gave the engine a minute. I turned the truck back on again, the engine sounded very rough turning on and rough while driving. After a minute or two of driving, the engine light turned on again, and the engine stopped (stalled) again while in the middle of the road. I stopped this time for two minutes or so and turned the engine on again. I then proceeded to try to make it home, which I accomplished, but the truck's engine sounded rough and with a chattering sound (engine knocking) even when idling. I have received a recall notice letter concerning " certain 2022-2024 model year Tundra vehicles engine may stall during driving. " I possess the letter with the NHTSA recall number and the Toyota recall number. In the letter, it mentions the condition for which it is being recalled. The conditions are as stated in the letter. "machining debris may not have been cleared from the engine when it was produced. In the involved vehicles, this can lead to engine knocking, engine rough running, engine no start, and/or a loss of drive power. A loss of drive power while driving can increase the risk of a crash. " my truck has experienced all of the disfunctions that are stated in the recall letter. I would like for Toyota to look into this and remedy this problem before it ends in a major fatal crash or any other unfortunate circumstance. Thank you!.

The vehicle has a recurring safety-related defect where there is a long, unpredictable pause (1–3 seconds) between pressing the accelerator from a stop and the truck actually accelerating. This hesitation occurs when pulling away from a stop sign, traffic light, or after braking to a stop in traffic, and is not normal throttle response or turbo lag. During this delay, the engine revs slightly but the truck does not move, creating a dangerous situation where the vehicle fails to respond when expected, especially in intersections or when merging. After the pause, the truck often surges forward abruptly, which can cause jerking and loss of control.

See all problems of the 2025 Toyota Tundra 🔎.

The contact owns a 2024 Toyota Tundra. The contact stated that while driving at an undisclosed speed, the low engine oil warning light illuminated. The vehicle independently switched to hybrid. The vehicle was driven to the shoulder of the road, and the engine seized. The vehicle was towed to the dealer where it was diagnosed with engine failure. The contact was informed that the engine had experienced oil starvation, causing the rod bearings and engine failure. The contact was informed that the engine needed to be rebuilt or replaced. The engine was being rebuilt but was not yet repaired. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was approximately 44,186.

On December 23, 2025, while driving at highway speeds, I began to hear a loud knocking sound. The sounds increased and a "low oil pressure" warning appeared on the dash. I began to loose power and the knocking sounds increased. I was able to carefully get the truck off the highway and parked to be towed to a local dealership. The loss of power while on the highway put myself and my family at risk due to not being able to keep at speed with traffic, and the possibility of being stuck on the side of a highway if I was unable to make it to the next exit. The vehicle experienced the same symptoms prior to the engine seizing in July of 2025. At that time the vehicle was not included in a recall campaign, and a short block replacement, rather than a complete engine replacement, was completed by Toyota.

This is ridiculous if there’s debris in the engine of a risk for it and risk for the engine to go I want a new vehicle there’s 18k miles on this truck brand new shape and I will be putting my family in this. This is a risk I’m not willing to take. This needs to be bought back.

The hybrid version of the Toyota Tundra uses the same base v35a-derived engine architecture, block casting, bearing design, and oiling system as the recalled non-hybrid vehicles. Toyota has not demonstrated that hybrid engines were manufactured differently or are immune to the defect that prompted the recall. In towing conditions, an internal combustion engine failure creates an immediate safety hazard even if limited electric propulsion remains available. Electric-only operation provides severely reduced power, limited speed, and restricted torque, making highway merging, grade climbing, or maintaining safe traffic flow unsafe while towing. Retaining minimal electric motion does not equate to maintaining safe propulsion under load. Additionally, a catastrophic engine failure may introduce metal debris, oil pressure loss, or thermal imbalance that can compromise shared drivetrain and hybrid coupling components. The presence of an electric motor does not mitigate the underlying defect risk or the secondary damage potential. Toyota’s distinction between hybrid and non-hybrid vehicles appears to be regulatory and financial rather than engineering-based. The same defect risk exists regardless of the hybrid system. I request that NHTSA evaluate whether Toyota’s exclusion of hybrid vehicles is based on actual engineering differences or solely on regulatory interpretation.

While driving down the highway at ~70 mph, the truck's powertrain suddenly shut off. The electronics still worked, but the rpms dropped to zero. I was forced to pull off to the side of the road, where I tried to turn off and turn back on. The truck kept on turning off and on by itself electronically, but the engine and transmission wouldn't engage for roughly 10 minutes. I was eventually able to start the truck and limp home, but the engine was knocking afterward. Completely shutting down while driving down the highway at cruising speeds is insanely unsafe.

The hybrid version of the Toyota Tundra uses the same base v35a-derived engine architecture, block casting, bearing design, and oiling system as the recalled non-hybrid vehicles. Toyota has not demonstrated that hybrid engines were manufactured differently or are immune to the defect that prompted the recall. In towing conditions, an internal combustion engine failure creates an immediate safety hazard even if limited electric propulsion remains available. Electric-only operation provides severely reduced power, limited speed, and restricted torque, making highway merging, grade climbing, or maintaining safe traffic flow unsafe while towing. Retaining minimal electric motion does not equate to maintaining safe propulsion under load. Additionally, a catastrophic engine failure may introduce metal debris, oil pressure loss, or thermal imbalance that can compromise shared drivetrain and hybrid coupling components. The presence of an electric motor does not mitigate the underlying defect risk or the secondary damage potential. Toyota’s distinction between hybrid and non-hybrid vehicles appears to be regulatory and financial rather than engineering-based. The same defect risk exists regardless of the hybrid system. I request that NHTSA evaluate whether Toyota’s exclusion of hybrid vehicles is based on actual engineering differences or solely on regulatory interpretation.

The truck, randomly experiences hesitation, and or lag when pulling out from a dead stop. Twice it has been so bad as to nearly cause an accident. It also causes out of control acceleration as you don't know when if if the truck will actually accelerate or how much.

Cold morning (between 32-40 degrees) come to complete stop at stop sign. Lag between input and delivery.

My Toyota Tundra (2023) has a recall notice due to possible debris in the engine that is over a year and a half old. This still has not been repaired by the manufacturer. I can hear sounds like knocking coming from the engine and I am concerned that the vehicle could stall or stop while driving on the highway with my children and cause a severe crash. How do I get the vehicle engine replaced expeditiously? the recall is 24v381.

I am submitting this complaint regarding Toyota’s decision to exclude hybrid vehicles from an active safety recall affecting non-hybrid Toyota Tundra models equipped with the same twin-turbo v6 engine architecture. Toyota has stated that hybrid vehicles are excluded because they retain motive power through the electric drive system in the event of an internal combustion engine failure. This rationale does not address real-world safety risk and does not reflect the mechanical realities of towing or highway operation. The hybrid version of the Toyota Tundra uses the same base v35a-derived engine architecture, block casting, bearing design, and oiling system as the recalled non-hybrid vehicles. Toyota has not demonstrated that hybrid engines were manufactured differently or are immune to the defect that prompted the recall. In towing conditions, an internal combustion engine failure creates an immediate safety hazard even if limited electric propulsion remains available. Electric-only operation provides severely reduced power, limited speed, and restricted torque, making highway merging, grade climbing, or maintaining safe traffic flow unsafe while towing. Retaining minimal electric motion does not equate to maintaining safe propulsion under load. Additionally, a catastrophic engine failure may introduce metal debris, oil pressure loss, or thermal imbalance that can compromise shared drivetrain and hybrid coupling components. The presence of an electric motor does not mitigate the underlying defect risk or the secondary damage potential. Toyota’s distinction between hybrid and non-hybrid vehicles appears to be regulatory and financial rather than engineering-based. The same defect risk exists regardless of the hybrid system. I request that NHTSA evaluate whether Toyota’s exclusion of hybrid vehicles is based on actual engineering differences or solely on regulatory interpretation.